Class: Components::DownloadButton

Inherits:
Base
  • Object
show all
Includes:
Phlex::Rails::Helpers::LinkTo
Defined in:
app/components/download_button.rb

Instance Method Summary collapse

Constructor Details

#initialize(model:, format: :zip) ⇒ DownloadButton

Returns a new instance of DownloadButton.



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# File 'app/components/download_button.rb', line 8

def initialize(model:, format: :zip)
  @model = model
  @format = format
end

Instance Method Details

#before_template ⇒ Object 



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# File 'app/components/download_button.rb', line 17

def before_template
  @extensions = @model.file_extensions.excluding("json")
  @has_supported_and_unsupported = @model.has_supported_and_unsupported?
end

#download_link(selection: nil, file_type: nil, html_class: "dropdown-item") ⇒ Object 



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# File 'app/components/download_button.rb', line 55

def download_link(selection: nil, file_type: nil, html_class: "dropdown-item")
  downloader = ArchiveDownloadService.new(model: @model, selection: selection || file_type)
  link_options = {
    class: html_class,
    rel: "nofollow",
    download: (downloader.ready? ? "download" : nil)
  }
  if downloader.preparing?
    link_options.merge!(
      disabled: true,
      "aria-disabled": "true",
      tabindex: -1,
      class: html_class + " disabled"
    )
  end
  link_to model_path(@model, format: @format, selection: selection || file_type), link_options do
    if downloader.ready?
      Icon(icon: "cloud-download-fill", label: t("components.download_button.download.ready"))
    elsif downloader.preparing?
      Icon(icon: "hourglass-split", label: t("components.download_button.download.preparing"), effect: "icon-flip")
    else
      Icon(icon: "cloud-download", label: t("components.download_button.download.missing"))
    end
    whitespace
    span do
      if file_type
        t("components.download_button.file_type", type: file_type.upcase)
      elsif selection
        # i18n-tasks-use t('components.download_button.supported')
        # i18n-tasks-use t('components.download_button.unsupported')
        t("components.download_button.%{selection}" % {selection: selection})
      else
        t("components.download_button.label")
      end
    end
  end
end

#render? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/components/download_button.rb', line 13

def render?
  policy(@model).download?
end

#view_template ⇒ Object 



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# File 'app/components/download_button.rb', line 22

def view_template
  div class: "btn-group ml-auto mr-auto" do
    download_link html_class: "btn btn-primary"
    button type: "button",
      class: "btn btn-primary dropdown-toggle dropdown-toggle-split",
      data: {
        bs_toggle: "dropdown"
      },
      aria: {
        expanded: false,
        haspopup: "menu",
        controls: "download-menu"
      } do
      span(class: "visually-hidden") { t("components.download_button.menu_header") }
    end
    ul class: "dropdown-menu",
      id: "download-menu",
      aria: {
        role: "menu"
      } do
      DropdownHeader text: t("components.download_button.menu_header")
      if @has_supported_and_unsupported
        li(role: "menuitem") { download_link selection: "supported" }
        li(role: "menuitem") { download_link selection: "unsupported" }
        DropdownDivider
      end
      @extensions&.compact&.map do |type|
        li(role: "menuitem") { download_link file_type: type }
      end
    end
  end
end